lkml.org 
[lkml]   [2009]   [Aug]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Discard support (was Re: [PATCH] swap: send callback when swap slot is freed)
From
Date
On Mon, 2009-08-17 at 16:19 -0400, Mark Lord wrote:
> James Bottomley wrote:
> > On Mon, 2009-08-17 at 14:21 -0400, Greg Freemyer wrote:
> >> On Mon, Aug 17, 2009 at 1:19 PM, James Bottomley<James.Bottomley@suse.de> wrote:
> >>> On Mon, 2009-08-17 at 13:08 -0400, Greg Freemyer wrote:
> ..
> >>>> Non-coalescing is believed detrimental,
> >>> It is? Why?
> >> For the only compliant SSD in the wild, Mark has shown it to be true
> >> via testing.
> >
> > He only said larger trims take longer. As I said previously, if it's a
> > X+nY relationship, then we still benefit from accumulation up to some
> > value of n.
> ..
>
> Err, what I said was, "rm -rf /usr/src/linux" takes over half an hour
> with uncoalesced TRIM, and only a scant few seconds in total *with*
> coalesced TRIM.

Yes, sorry, missed the Non- when I read that sentence.

James




\
 
 \ /
  Last update: 2009-08-17 22:31    [W:0.121 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site